Heater module



FIG. 1 is a perspective view of a heater module which embodies ourdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof, the left side view thereof being amirror image of the right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view.

The ornamental design for a heater module, as shown and described.